While modifying the Domain Secret of .COM, .NET domain names, the following rules apply:

The length of the Domain Secret can be from 8 to 32 characters only

The Domain Secret must contain 1 alphabet, 1 number as well as 1 special character.

The Domain Secret should ideally consist of alphanumeric as well as special characters like the ones mentioned below:

A -Z and a - z

0 - 9

! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~

However, certain TLDs do not support usage of special characters in the Domain Secret:

In case of a .COM, .NET domain names the Domain Secret field may be blank. In order to set it, provide a new Domain (Transfer)
Secret in the textbox and click the Update Domain Secret button.

Once a domain name having an associated Domain (Transfer) Secret is Transferred
to Radix FZC from another Registrar, a new Domain (Transfer) Secret is set for such a domain name. This process is implemented from a security perspective.